1240245444 has 48 divisors (see below), whose sum is σ = 3048980480. Its totient is φ = 391301280.

The previous prime is 1240245443. The next prime is 1240245469. The reversal of 1240245444 is 4445420421.

It is a super-2 number, since 2×1240245444² = 3076417522725514272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240245443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377529 + ... + 380799.

Almost surely, 2^1240245444 is an apocalyptic number.

It is an amenable number.

1240245444 is an abundant number, since it is smaller than the sum of its proper divisors (1808735036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240245444 is a wasteful number, since it uses less digits than its factorization.

1240245444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1240245444 is about 35217.1186214886. The cubic root of 1240245444 is about 1074.4079506104.

Adding to 1240245444 its reverse (4445420421), we get a palindrome (5685665865).

The spelling of 1240245444 in words is "one billion, two hundred forty million, two hundred forty-five thousand, four hundred forty-four".